Fix Broken links to the AWS Security Incident Response documentation

[peterjgrainger]

Description

Fix broken links from https://docs.aws.amazon.com/security-incident-response/ to https://docs.aws.amazon.com/security-ir/

Type of change (Choose 1)

• Bug Fix
• New Feature: Non-new Integration Target
• New Feature: New Integration Target
• [ x] Documentation update
• Security fix

Reason for this change

Old links were broken

Contributor Task List

• [x ] I have reviewed the Contributing Guideline and Code of Conduct
• [ x] I have performed a self-review of my code
• [x ] I have added tests that prove my fix is effective or that my feature works
• [ x] New and existing tests pass locally with my changes
• [ x] Security considerations have been addressed

New Integration Target Questions

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How does the components of this integration communicate with each

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How does the integration authenicated and authorize connections between the integration and the target

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What kind of compute is used by this integration

• Lambda
• ECS Fargate or EKS (Auto Mode or Fargate Workers Only)
• Other

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How is state / caching maintained in the integration

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How much do you expect this integration to cost

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By submitting this pull request, I confirm that my contribution is made under the terms of the MIT No Attribution license